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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $315 | 66 | 66 |
| 2006 | $88,343 | 28,600 | 28,600 |
| 2007 | $133,217 | 33,001 | 33,001 |
| 2008 | $116,333 | 41,968 | 41,968 |
| 2009 | $50,830 | 20,881 | 20,881 |
| 2010 | $108,168 | 56,611 | 56,611 |
| 2011 | $56,644 | 24,010 | 24,010 |
Note: Quantity represents Weight in kilograms
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